NT
Product
ntpsec
by NTPsec · last CVE Oct 21, 2026
12
CVEs
0
On KEV
9.1
Max CVSS
4
New 30D
Severity mix
Critical 2High 4Medium 5Low 1
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Add ntpsec to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2019-6443
9.1
67%
Jan 16
An issue was discovered in NTPsec before 1.1.3
Affected: before 1.1.3
CVE-2019-6444
9.1
46%
Jan 16
An issue was discovered in NTPsec before 1.1.3
Affected: before 1.1.3
CVE-2026-102486
New
7.5
1%
Oct 21
Out-of-bounds Read in ntpsec
Affected: 1.1.4 before 1.2.6
CVE-2026-102483
New
7.5
0%
Oct 21
Reachable Assertion in ntpsec
Affected: 1.1.4 before 1.2.6
CVE-2023-4012
7.5
0%
Aug 7
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3)
Affected: 1.2.2
CVE-2021-22212
7.4
1%
Jun 8
ntpkeygen can generate keys that ntpd fails to parse
Affected: 1.2.0
CVE-2019-6445
6.5
15%
Jan 16
An issue was discovered in NTPsec before 1.1.3
Affected: before 1.1.3
CVE-2019-6442
6.5
14%
Jan 16
An issue was discovered in NTPsec before 1.1.3
Affected: before 1.1.3
CVE-2026-102484
New
6.4
0%
Oct 21
Heap-based Buffer Overflow in ntpsec
Affected: before 1.2.6
CVE-2026-102485
New
5.2
0%
Oct 21
Out-of-bounds Read in ntpsec
Affected: before 1.2.6
CVE-2026-18321
4.7
0%
Jul 31
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in ntpsec
Affected: before 1.2.5
CVE-2016-1551
3.7
2%
Jan 27
ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the underlying operating system to protect it from requests that impersonate reference clocks
Affected: a5fb34b9cc89b92a8fef2f459004865c93bb7f92
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